#ifndef DEMO_COMMON
#define DEMO_COMMON

#include <cstdio>
#include <ctime>
#include <cmath>

#include <string>
#include <list>
#include <map>
#include <set>

#include <windows.h>

using std::string;
using std::list;
using std::map;
using std::pair;
using std::set;

#endif//DEMO_COMMON